836349136 has 80 divisors (see below), whose sum is σ = 1974516480. Its totient is φ = 335001600.

The previous prime is 836349127. The next prime is 836349149. The reversal of 836349136 is 631943638.

836349136 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 836349092 and 836349101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 286050 + ... + 288958.

It is an arithmetic number, because the mean of its divisors is an integer number (24681456).

Almost surely, 2^836349136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 836349136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (987258240).

836349136 is an abundant number, since it is smaller than the sum of its proper divisors (1138167344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

836349136 is a wasteful number, since it uses less digits than its factorization.

836349136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3092 (or 3086 counting only the distinct ones).

The product of its digits is 279936, while the sum is 43.

The square root of 836349136 is about 28919.7015198982. The cubic root of 836349136 is about 942.1698538082.

The spelling of 836349136 in words is "eight hundred thirty-six million, three hundred forty-nine thousand, one hundred thirty-six".